Patents by Inventor Shin Kaneko
Shin Kaneko has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Patent number: 12206456Abstract: A wavelength multiplexing communication system includes a master station apparatus and a plurality of slave station apparatuses. The master station apparatus includes a wavelength multiplexing communication unit. The wavelength multiplexing communication unit performs wavelength multiplexing communication with the plurality of slave station apparatuses by using optical signals having the number of wavelengths equal to or less than the number of the plurality of slave station apparatuses. The slave station apparatus includes an optical communication unit. When the main signal communication is performed in the host slave station apparatus, the optical communication unit communicates with the master station apparatus by an optical signal having the same wavelength as a wavelength used by another slave station apparatus in which a main signal notification is not performed.Type: GrantFiled: March 2, 2020Date of Patent: January 21, 2025Assignee: NIPPON TELEGRAPH AND TELEPHONE CORPORATIONInventors: Rintaro Harada, Hirotaka Ujikawa, Shin Kaneko, Jun Terada
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Publication number: 20250016481Abstract: An optical communication system including an optical switch that is connected to a plurality of optical transmission lines and outputs an optical signal input from any of the optical transmission lines to another optical transmission line, and a transfer unit configured to convert simplex transmission into duplex transmission or converts duplex transmission into simplex transmission between a subscriber device and the optical switch or between a first port of the optical switch to which the subscriber device is directly or indirectly connected and a second port opposite to the first port, and transfers the optical signal so as not to cause interference between uplink and downlink.Type: ApplicationFiled: November 25, 2021Publication date: January 9, 2025Applicant: NIPPON TELEGRAPH AND TELEPHONE CORPORATIONInventors: Naotaka SHIBATA, Shin KANEKO, Takuya KANAI
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Publication number: 20250016479Abstract: An optical node device to which a first subscriber device and a second subscriber device are connected in an optical communication system in which the first subscriber device and the second subscriber device are mixed, the first subscriber device being connected by one core using different wavelengths in transmission and reception, the second subscriber device being connected by two cores using the same wavelength in transmission and reception, the optical node device including: a transmission/reception separator that transfers an optical signal transmitted from the first subscriber device and an optical signal addressed to the first subscriber device without interference; and an optical switch that controls a connection relationship between ports such that an optical signal transmitted from the first subscriber device or an optical signal addressed to the first subscriber device passes through the transmission/reception separator and an optical signal transmitted from the second subscriber device or an opticType: ApplicationFiled: December 2, 2021Publication date: January 9, 2025Applicant: NIPPON TELEGRAPH AND TELEPHONE CORPORATIONInventors: Takuya KANAI, Shin KANEKO, Naotaka SHIBATA, Junichi KANI, Tomoaki YOSHIDA
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Publication number: 20250016480Abstract: An aspect of the present invention is an optical transmission device including a connector that is able to be connected to an accommodation module accommodating an optical fiber such that optical communication is performed, an optical switch that receives an optical signal from the connector and outputs an optical signal to the connector, an optical switch controller that controls the optical switch, an up wavelength multiplexer/demultiplexer that multiplexes light of a plurality of wavelengths output from the optical switch and outputs the multiplexed light to a transmission line, and a down wavelength multiplexer/demultiplexer that demultiplexes light input from the transmission line and outputs the demultiplexed light to the optical switch, wherein the connector can be connected to any one of a one-core accommodation module and a two-core accommodation module as the accommodation module.Type: ApplicationFiled: November 19, 2021Publication date: January 9, 2025Applicant: NIPPON TELEGRAPH AND TELEPHONE CORPORATIONInventors: Naotaka SHIBATA, Shin KANEKO, Takuya KANAI, Tomoaki YOSHIDA
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Patent number: 12191905Abstract: The optical communication system includes the optical distribution device (100) provided between the wavelength routing device (30) and the optical multiplexing/demultiplexing device (40). The wavelength routing device outputs the optical signal input from the port on the wavelength variable subscriber device side to the port uniquely determined by a combination of the wavelength of the optical signal and the port to which the optical signal is inputted. The wavelength variable subscriber device can execute the first protection for switching the wavelength of the optical signal to be transmitted and received to the spare wavelength different from the operating wavelength when the wavelength variable subscriber device and the wavelength variable communication device (10) are disconnected.Type: GrantFiled: August 24, 2020Date of Patent: January 7, 2025Assignee: NIPPON TELEGRAPH AND TELEPHONE CORPORATIONInventors: Shin Kaneko, Kazuaki Honda, Hiroo Suzuki, Junichi Kani, Takuya Kanai, Yasunari Tanaka
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Publication number: 20250007610Abstract: An optical communication system including a subscriber device that performs optical connection with other subscriber device by End-End, and a management control device that controls each subscriber device, wherein the subscriber device includes an optical signal transmission unit configured to transmit an optical signal, an optical signal reception unit configured to receive an optical signal transmitted from the other subscriber device, and an output function unit configured to output an optical signal outputted by the optical signal transmission unit to an optical transmission line regardless of a wavelength and outputs an optical signal inputted from the optical transmission line to the optical signal reception unit regardless of the wavelength, and the management control device allocates wavelengths so that a transmission wavelength of the subscriber device becomes a reception wavelength of the other subscriber device and a transmission wavelength of the other subscriber device becomes a reception wavelenType: ApplicationFiled: November 18, 2021Publication date: January 2, 2025Applicant: NIPPON TELEGRAPH AND TELEPHONE CORPORATIONInventors: Shin KANEKO, Takuya KANAI, Naotaka SHIBATA, Junichi KANI
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Publication number: 20250008248Abstract: An optical switch having a plurality of ports outputs an optical signal received from a first port that is one of the plurality of ports connected to an optical communication device from a second port that another one of the plurality of ports according to a transmission path of an optical signal. An optical branching part branches an optical signal which has been output from a second port in accordance with a branching ratio. A measurement part measures a round trip time by transmitting and receiving an optical signal to and from an optical communication device through an optical switch, and calculates a transmission distance of the optical signal on the basis of the measured round trip time. An instruction part instructs, the optical branching part, of the branching ratio determined on the basis of the calculated transmission distance.Type: ApplicationFiled: November 16, 2021Publication date: January 2, 2025Applicant: NIPPON TELEGRAPH AND TELEPHONE CORPORATIONInventors: Yasunari TANAKA, Takuya KANAI, Kazutaka HARA, Yumiko SENOO, Shin KANEKO, Junichi KANI
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Publication number: 20240422457Abstract: An optical communication device includes: a first optical switch that is connected to a plurality of optical transmission lines and outputs an optical signal input from any of the optical transmission lines to another optical transmission line; a second optical switch that is connected to a plurality of optical transmission lines and outputs an optical signal input from any of the optical transmission lines to another optical transmission line; and a transfer unit configured to transfer an optical signal transmitted from a first device connected to the first optical switch to a specific second device connected to the second optical switch.Type: ApplicationFiled: October 12, 2021Publication date: December 19, 2024Applicant: NIPPON TELEGRAPH AND TELEPHONE CORPORATIONInventors: Naotaka SHIBATA, Shin KANEKO
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Publication number: 20240421904Abstract: An aspect of the present invention is a mobile including an optical transmitter that transmits an optical signal by irradiating a light receiver of a reception device with a beam, an instruction receiver that receives a movement instruction to move the mobile to a designated position, a position acquirer that acquires a current position of the mobile, a direction acquirer that acquires a moving direction from the current position to the designated position, and a beam controller that performs change control of changing an irradiation direction of a beam according to the moving direction within a range in which the beam is emitted to the light receiver before the mobile starts to move toward the designated position.Type: ApplicationFiled: October 27, 2021Publication date: December 19, 2024Applicant: NIPPON TELEGRAPH AND TELEPHONE CORPORATIONInventors: Takeshi IMAI, Naotaka SHIBATA, Shin KANEKO
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Patent number: 12168781Abstract: The present invention relates to a method for producing T cells or NK cells including culturing T cells or NK cells in a culture medium containing a CaMKII inhibitor such as a bisbenzylisoquinoline alkaloid compound. The disclosed compounds and methods can be used for maintaining the undifferentiated state of undifferentiated T cells, or for efficiently proliferating T cells or NK cells.Type: GrantFiled: December 6, 2019Date of Patent: December 17, 2024Assignees: KIRIN HOLDINGS KABUSHIKI KAISHA, Kyoto UniversityInventors: Shinichiro Takayanagi, Atsushi Kunisato, Sayaka Chuganji, Ken Fukumoto, Kazuki Nakazono, Shin Kaneko, Yohei Kawai
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Publication number: 20240413907Abstract: An optical communication device includes: a plurality of first distribution units that is connected to a plurality of optical transmission lines and outputs an optical signal input from any of first devices to any of the optical transmission lines; a plurality of second distribution units that is connected to a plurality of optical transmission lines and outputs an optical signal input from any of the optical transmission lines to any of second devices; and a multicast transfer unit configured to perform multicast transfer of the optical signal transmitted from the first device connected to any of the plurality of first distribution units to any of the plurality of second distribution units connected to the one or more second devices.Type: ApplicationFiled: August 1, 2022Publication date: December 12, 2024Applicant: NIPPON TELEGRAPH AND TELEPHONE CORPORATIONInventors: Naotaka SHIBATA, Shin KANEKO, Masahisa KAWASHIMA
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Publication number: 20240400993Abstract: Disclosed is a method for producing regulatory T cells, the method comprising: (1) differentiating cells that can differentiate into regulatory T cells, into which an expression construct is introduced, into regulatory T cells, the expression construct comprising: (a) conserved non-coding sequence (CNS) 1, CNS2, and CNS3 of Foxp3 gene; (b) a promoter; and (c) a nucleic acid encoding FOXP3. Also disclosed are regulatory T cells obtained by the method, and a pharmaceutical composition comprising the regulatory T cells.Type: ApplicationFiled: September 26, 2022Publication date: December 5, 2024Applicants: Kyoto University, TAKEDA PHARMACEUTICAL COMPANY LIMITEDInventors: Shin KANEKO, Shoichi IRIGUCHI, Yoshiaki KASSAI, Keiko SEKIYA, Atsushi MATSUDA, Takayuki SATO
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Publication number: 20240388821Abstract: An optical communication system including: a management control device that manages communication between one or more first subscriber devices and one or more second subscriber devices that are provided at counterpart locations of the one or more first subscriber devices, in which the management control device includes a control signal generation unit that generates a control signal that is transmitted to the one or more first subscriber devices and used for management and control, and an optical transmission unit that converts the control signal generated by the control signal generation unit into an optical signal with a wavelength that is different from a wavelength of a main signal transmitted by the one or more second subscriber devices that perform communication with the one or more first subscriber devices and transmits the optical signal, and the optical communication system includes an optical multiplexing unit that is provided on a communication path between the one or more first subscriber devicesType: ApplicationFiled: September 16, 2021Publication date: November 21, 2024Applicant: NIPPON TELEGRAPH AND TELEPHONE CORPORATIONInventors: Shin KANEKO, Takuya KANAI, Kazutaka HARA, Junichi KANI
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Publication number: 20240381012Abstract: Provided is an optical access system that performs communication using an optical signal on which a management control signal used for management and control is superimposed, the optical access system including: a subscriber device on a transmitting side that generates an optical signal by superimposing the management control signal on a main signal and transmits the generated optical signal; a management control unit that outputs a management control signal which is superimposed on the optical signal transmitted by the subscriber device on the transmitting side and which has a frequency band different from a frequency of the management control signal superimposed on the optical signal; and a control signal superimposing unit that superimposes the management control signal output from the management control unit on the optical signal.Type: ApplicationFiled: April 19, 2021Publication date: November 14, 2024Applicant: NIPPON TELEGRAPH AND TELEPHONE CORPORATIONInventors: Kazutaka HARA, Junichi KANI, Shin KANEKO, Takuya KANAI, Yumiko SENOO
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Publication number: 20240372614Abstract: According to an embodiment, an optical space communication device includes: an optical antenna configured to receive laser light emitted by multiplexing a main signal to be communicated and a control signal used to maintain or control communication; an optical branching element configured to branch the laser light received by the optical antenna into a plurality of pieces of laser light; a first optical fiber configured to transmit one of the pieces of laser light branched by the optical branching element to a light reception element; a second optical fiber configured to have a larger core diameter than a core diameter of the first optical fiber and transmit another piece of laser light branched by the optical branching element to the light reception element; and an extraction unit configured to extract the control signal from the other piece of laser light transmitted by the second optical fiber.Type: ApplicationFiled: April 2, 2021Publication date: November 7, 2024Applicant: NIPPON TELEGRAPH AND TELEPHONE CORPORATIONInventors: Takeshi IMAI, Naotaka SHIBATA, Shin KANEKO, Rintaro HARADA
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Publication number: 20240372625Abstract: One mode of the present invention is an optical communication device that includes: a detector that detects the falling edge or the rising edge of a control signal outputted from a user device to an optical communication path; and an optical modulator that superimposes a new control signal on a main signal, when the falling edge or the rising edge of a control signal has been detected by the detector.Type: ApplicationFiled: May 21, 2021Publication date: November 7, 2024Applicant: NIPPON TELEGRAPH AND TELEPHONE CORPORATIONInventors: Takuya KANAI, Kazuaki HONDA, Yasunari TANAKA, Shin KANEKO, Kazutaka HARA
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Patent number: 12101124Abstract: An aspect of the present disclosure is a transmission system including a modulated wave generation unit that generates an intermediate wave, which is a coherent wave in which a frequency component of either of two signals overlays a frequency spectrum, the two signals being a main signal indicating transmitted information to be transmitted and a control signal indicating management information, which is information on communication between a transmission source of the transmitted information and a communication destination of the transmission source, and a modulation unit that modulates the intermediate wave with a signal in which a frequency component does not overlay the frequency spectrum of the coherent wave generated by the modulated wave generation unit out of the two signals that are the main signal and the control signal. In the transmission system, a frequency band of the main signal and a frequency band of the control signal do not overlap each other.Type: GrantFiled: April 24, 2020Date of Patent: September 24, 2024Assignee: NIPPON TELEGRAPH AND TELEPHONE CORPORATIONInventors: Takuya Kanai, Shin Kaneko, Kazuaki Honda, Junichi Kani, Hiroo Suzuki
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Publication number: 20240294871Abstract: A method efficiently produces cytotoxic T lymphocytes having intrinsic properties of lymphocytes of the acquired immune system suitable for cellular immunotherapy. The method includes culturing CD4/CD8 double-positive T cells in a medium containing IL-7 and a T-cell receptor activator, to induce CD8?+?+ cytotoxic T lymphocytes.Type: ApplicationFiled: May 6, 2024Publication date: September 5, 2024Inventors: Shin KANEKO, Yohei KAWAI
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Publication number: 20240284081Abstract: Provided a relay device that performs relay among a plurality of optical communication devices that perform communication using at least time division multiplexing, the device including a data length acquisition unit configured to acquire information on a data length of an uplink signal transmitted from the optical communication device using the uplink signal, a management control signal generation unit configured to generate a management control signal used for management and control, a management control signal division unit configured to divide the generated management control signal based on the information on the data length of the uplink signal acquired by the data length acquisition unit, and a management control signal superimposition unit configured to superimpose the divided management control signal on the uplink signal and transfers the superimposed signal to another optical communication device.Type: ApplicationFiled: April 9, 2021Publication date: August 22, 2024Applicant: NIPPON TELEGRAPH AND TELEPHONE CORPORATIONInventors: Yumiko SENOO, Kazutaka HARA, Shin KANEKO, Ryo KOMA, Kazuaki HONDA
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Publication number: 20240283817Abstract: A switch in a communication network comprises a controller for controlling a communication flow in the communication network. A suspected flow is a communication flow suspected of being related to a DDoS (Distributed Denial of Service) attack. A normal flow is a communication flow other than the suspected flow. The controller is configured to execute provisional handling when receiving a provisional handling instruction indicating identification information of the suspected flow from a network controller. The provisional handling includes processing of setting a priority of the suspected flow to a designated priority, and processing of setting a priority of the normal flow higher than the designated priority.Type: ApplicationFiled: May 28, 2021Publication date: August 22, 2024Applicant: NIPPON TELEGRAPH AND TELEPHONE CORPORATIONInventors: Rintaro HARADA, Naotaka SHIBATA, Shin KANEKO